Article ID: 2447993 - View products that this article applies to.
Consider the following scenario:
Note If you end Office Communicator 2007 R2 by using Task Manager, and then start Office Communicator 2007 R2 again, it works as normal.
This issue occurs because the PBT_APMRESUMESUSPEND event is not sent through Windows to Office Communicator 2007 when you use Wake on LAN on Windows Vista SP1.
To resolve this problem, install the following update rollup:
(http://support.microsoft.com/kb/2291453/ )Description of the cumulative update package for Communicator 2007 R2: November 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about the PBT_APMRESUMESUSPEND event, visit the following Microsoft website:
General information about the PBT_APMRESUMESUSPEND event